Home / 35,610,438.28-49,126,802.22-20,919,477.18

Finding the Fourth Proportional to 35,610,438.28, 49,126,802.22 and 20,919,477.18

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Solution

The fourth proportional to 35,610,438.28, 49,126,802.22 and 20,919,477.18 is: 28,859,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,610,438.28 : 49,126,802.22 = 20,919,477.18 : x
  2. Step 2: Convert to fraction form
    35,610,438.28/49,126,802.22 = 20,919,477.18/x
  3. Step 3: Cross multiply
    35,610,438.28x = 49,126,802.22 × 20,919,477.18
  4. Step 4: Simplify right side
    35,610,438.28x = 1,027,707,017,967,663.25
  5. Step 5: Solve for x
    x = 1,027,707,017,967,663.25/35,610,438.28
  6. Step 6: Final answer
    x = 28,859,712.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.